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High-gradient acceleration is a key research area that could enable compact linear accelerators for future colliders, light sources, and other applications. In the pursuit of high-gradient operation, RF breakdown limits the attainable…

Accelerator Physics · Physics 2025-11-24 Gaurab Rijal , Michael Shapiro , Xueying Lu

This paper describes the utilization of beam-driven plasma wakefield acceleration to implement a high-quality plasma cathode via density-downramp injection in a short injector stage at the FLASHForward facility at DESY. Electron beams with…

First-order reinforcement learning with differentiable simulation is promising for quadrotor control, but practical progress remains fragmented across task-specific settings. To support more systematic development and evaluation, we present…

Robotics · Computer Science 2026-03-24 Fanxing Li , Fangyu Sun , Tianbao Zhang , Shuyu Wu , Dexin Zuo , yufei Yan , Wenxian Yu , Danping Zou

Field-programmable gate array (FPGA) based accelerators are being widely used for acceleration of convolutional neural networks (CNNs) due to their potential in improving the performance and reconfigurability for specific application…

Image and Video Processing · Electrical Eng. & Systems 2020-02-04 Martin Ferianc , Hongxiang Fan , Ringo S. W. Chu , Jakub Stano , Wayne Luk

Discriminative correlation filter (DCF) based trackers have recently achieved excellent performance with great computational efficiency. However, DCF based trackers suffer boundary effects, which result in unstable performance in…

Computer Vision and Pattern Recognition · Computer Science 2020-11-17 Taihang Dong , Sheng Zhong

In this work a method for reconstructing velocity and acceleration fields is described which uses scattered particle tracking data from flow experiments as input. The goal is to reconstruct these fields faithfully with a limited amount of…

Fluid Dynamics · Physics 2015-11-02 Sebastian Gesemann

Structure wakefield acceleration (SWFA) is one of the most promising AAC schemes in several recent strategic reports, including DOE's 2016 AAC Roadmap, report on the Advanced and Novel Accelerators for High Energy Physics Roadmap (ANAR),…

Phase space matching between two plasma-accelerator (PA) stages and between a PA and a traditional accelerator component is a critical issue for emittance preservation of beams accelerated by PAs. The drastic differences of the transverse…

Accelerator Physics · Physics 2016-03-30 X. L. Xu , Y. P. Wu , C. J. Zhang , F. Li , Y. Wan , J. F. Hua , C. -H. Pai , W. Lu , P. Yu , W. An , W. B. Mori , M. J. Hogan , C. Joshi

This work presents TREA, a low-precision time-multiplexed and resource-efficient edge-AI accelerator for object detection and classification, targeting stringent area-power-latency constraints of edge vision platforms. The proposed…

Hardware Architecture · Computer Science 2026-05-11 Vijay Pratap Sharma , Mukul Lokhande , Ratko Pilipovic , Omkar Kokane , Santosh Kumar Vishvakarma

High-dimensional motion generation requires numerical precision for smooth, collision-free solutions. Typically, double-precision or single-precision floating-point (FP) formats are utilized. Using these for big tensors imposes a strain on…

The focusing of particle beams for collider experiments is crucial for maximizing the luminosity and thus the discovery potential of these machines. In recent years, plasma wakefield acceleration has emerged as a leading candidate for…

Accelerator Physics · Physics 2026-02-18 Keegan Downham , Spencer Gessner , Lewis Kennedy , Rogelio Tomás , Andrei Seryi

A pervasive approach in scientific computing is to express the solution to a given problem as the limit of a sequence of vectors or other mathematical objects. In many situations these sequences are generated by slowly converging iterative…

Numerical Analysis · Mathematics 2025-07-17 Yousef Saad

Particle accelerators that use electromagnetic fields to increase a charged particle's energy have greatly advanced the development of science and industry since invention. However, the enormous cost and size of conventional radio-frequency…

Accelerator Physics · Physics 2021-08-24 Heng Tang , Lingrong Zhao , Pengfei Zhu , Xiao Zou , Jia Qi , Ya Cheng , Jiaqi Qiu , Xianggang Hu , Wei Song , Dao Xiang , Jie Zhang

In the cavitation regime of plasma-based accelerators, a population of high-energy electrons tailing the driver can undergo betatron motion. The motion results in X-ray emission, but the brilliance and photon energy are limited by the…

Plasma Physics · Physics 2015-05-01 J. P. Palastro , D. Kaganovich , D. Gordon

The development of compact accelerator facilities providing high-brightness beams is one of the most challenging tasks in the field of next-generation compact and cost affordable particle accelerators. Recent results obtained at SPARC\_LAB…

Multi-objective optimization is important for particle accelerators where various competing objectives must be satisfied routinely such as, for example, transverse emittance vs bunch length. We develop and demonstrate an online multi-time…

Structure wakefield acceleration (SWFA) is well suited for the linear collider (LC) application due to its natural ability to accelerate positrons and preserve emittance. Under the SWFA roadmap, which was developed in response to Snowmass…

We briefly give some of the characteristics of the beam-driven, plasma-based particle accelerator known as the plasma wakefield accelerator (PWFA). We also mention some of the major results that have been obtained since the birth of the…

Accelerator Physics · Physics 2017-05-31 P. Muggli

The objective of this work is the evaluation of the risk of suffering a multipactor discharge in an S-band dielectric-assist accelerating (DAA) structure for a compact low-energy linear particle accelerator dedicated to hadrontherapy…

Laser wakefield acceleration offers the promise of a compact electron accelerator for generating a multi-GeV electron beam using the huge field gradient induced by an intense laser pulse, compared to conventional rf accelerators. However,…